High severity · published Mar 28, 2018
CVE-2018-0154
Cisco IOS Software Integrated Services Module for VPN Denial-of-Service Vulnerability
In wildKEV
7.5
CVSS
7.1%
EPSS
Yes
On KEV
Description
A vulnerability in the crypto engine of the Cisco Integrated Services Module for VPN (ISM-VPN) running Cisco IOS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient handling of VPN traffic by the affected device. An attacker could exploit this vulnerability by sending crafted VPN traffic to an affected device. A successful exploit could allow the attacker to cause the affected device to hang or crash, resulting in a DoS condition. Cisco Bug IDs: CSCvd39267.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)7.1% · higher than 94% of CVEs
Exploited in the wildYes
CISA KEVListed Mar 3, 2022
Federal remediation dueMar 17, 2022
Ransomware campaign useNot known
Affected products
Which versions
CI
Cisco IOS ·
Cisco IOS · source: vendor
IO
Ios · Cisco
All versions, or not specified · source: NVD
IS
IOS Software · Cisco
All versions, or not specified · source: KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-0154
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-0154
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
vdb-entry
http://www.securityfocus.com/bid/103559
x_refsource_CONFIRM
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-dos
vdb-entry
http://www.securitytracker.com/id/1040585
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